$375+ Cheap flights from San Francisco (SFO) to Buenos Aires (BUE)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/16. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BUE
Apr 21 — Apr 281
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco to Buenos Aires with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Francisco to Buenos Aires
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Cheapest flights from San Francisco to Buenos AiresExplore the most affordable flight options available from San Francisco to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 22, 2026.
Explore the most affordable flight options available from San Francisco to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 22, 2026.
This Mytrip deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1111:55 pm
SFO
- EZE
3 stops22h 50m
Multiple Airlines
Mon 5/257:30 am
EZE
- SFO
3 stops33h 20m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$966
This Mytrip deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/611:55 pm
SFO
- AEP
3 stops35h 35m
Multiple Airlines
Wed 5/137:00 am
AEP
- SFO
2 stops19h 35m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$970
This Mytrip deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/211:55 pm
SFO
- AEP
3 stops31h 25m
Multiple Airlines
Sat 5/97:00 am
AEP
- SFO
2 stops19h 35m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$971
This Mytrip deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1711:55 pm
SFO
- AEP
3 stops24h 25m
Multiple Airlines
Sun 5/245:45 am
AEP
- SFO
3 stops35h 05m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$972
This Mytrip deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/52:15 pm
SFO
- EZE
3 stops32h 30m
Multiple Airlines
Mon 5/112:30 am
EZE
- SFO
2 stops24h 05m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$973
This Mytrip deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:55 pm
SFO
- AEP
3 stops31h 25m
Multiple Airlines
Thu 5/145:45 am
AEP
- SFO
3 stops35h 05m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$975
This Mytrip deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/62:15 pm
SFO
- EZE
3 stops30h 45m
Multiple Airlines
Wed 5/134:50 pm
EZE
- SFO
2 stops24h 00m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$976
This Mytrip deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/52:15 pm
SFO
- AEP
2 stops21h 45m
Multiple Airlines
Tue 5/127:00 am
AEP
- SFO
2 stops19h 35m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$977
This Mytrip deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2511:55 pm
SFO
- AEP
3 stops24h 25m
Multiple Airlines
Sun 5/317:00 am
AEP
- SFO
2 stops19h 35m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$979
This Mytrip deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/511:55 pm
SFO
- EZE
3 stops22h 50m
Multiple Airlines
Tue 5/194:50 pm
EZE
- SFO
2 stops24h 00m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$985
This Mytrip deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/511:55 pm
SFO
- AEP
3 stops24h 25m
Multiple Airlines
Tue 5/197:00 am
AEP
- SFO
2 stops19h 35m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$985
This Mytrip deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1811:55 pm
SFO
- AEP
3 stops24h 25m
Multiple Airlines
Tue 5/267:00 am
AEP
- SFO
2 stops19h 35m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$986
Best flights from San Francisco to Buenos AiresDiscover carefully curated flight deals from San Francisco to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 22, 2026.
Discover carefully curated flight deals from San Francisco to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 22, 2026.
This Mytrip deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2511:55 pm
SFO
- AEP
3 stops24h 25m
Multiple Airlines
Sun 5/317:00 am
AEP
- SFO
2 stops19h 35m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$979
This Flighttix deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/212:15 pm
SFO
- EZE
2 stops21h 25m
Avianca
Tue 4/284:50 pm
EZE
- SFO
2 stops33h 45m
Avianca
Deal found 3/22![Avianca logo]()
$1,064
This Delta deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/186:20 pm
SFO
- AEP
2 stops17h 40m
Delta
Tue 6/23:45 pm
AEP
- SFO
2 stops23h 08m
Delta
Deal found 3/21![Delta logo]()
$1,144
This United Airlines deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:15 pm
SFO
- EZE
1 stop15h 45m
United Airlines
Tue 9/159:00 pm
EZE
- SFO
1 stop23h 54m
United Airlines
Deal found 3/20![United Airlines logo]()
$1,147
This Mytrip deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/302:30 am
SFO
- AEP
3 stops26h 00m
Multiple Airlines
Sat 6/67:00 am
AEP
- SFO
2 stops19h 35m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$987
This Expedia deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/162:30 am
SFO
- AEP
2 stops23h 10m
Avianca
Thu 5/287:00 am
AEP
- SFO
2 stops20h 55m
Avianca
Deal found 3/19![Avianca logo]()
$1,110
This Delta deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/186:20 pm
SFO
- AEP
2 stops17h 40m
Delta
Mon 6/13:45 pm
AEP
- SFO
2 stops22h 25m
Delta
Deal found 3/21![Delta logo]()
$1,144
This United Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1010:50 am
SFO
- EZE
1 stop17h 10m
United Airlines
Thu 5/289:00 pm
EZE
- SFO
1 stop19h 15m
United Airlines
Deal found 3/17![United Airlines logo]()
$1,147
This Mytrip deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2111:55 pm
SFO
- AEP
3 stops24h 25m
Multiple Airlines
Wed 5/67:00 am
AEP
- SFO
2 stops19h 35m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$1,059
This Expedia deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/202:15 pm
SFO
- AEP
2 stops35h 25m
Avianca
Mon 4/277:00 am
AEP
- SFO
2 stops33h 50m
Avianca
Deal found 3/21![Avianca logo]()
$1,110
This Delta deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/157:15 am
SFO
- AEP
2 stops20h 25m
Delta
Mon 6/13:45 pm
AEP
- SFO
2 stops22h 25m
Delta
Deal found 3/21![Delta logo]()
$1,144
This United Airlines deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/177:15 am
SFO
- EZE
1 stop20h 45m
United Airlines
Thu 5/289:00 pm
EZE
- SFO
1 stop19h 15m
United Airlines
Deal found 3/19![United Airlines logo]()
$1,147
This Mytrip deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:45 am
SFO
- AEP
3 stops28h 15m
Multiple Airlines
Sat 6/1310:30 pm
AEP
- SFO
3 stops28h 05m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$1,079
This Expedia deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2111:55 pm
SFO
- AEP
2 stops25h 45m
Avianca
Wed 5/67:00 am
AEP
- SFO
2 stops19h 35m
Avianca
Deal found 3/18![Avianca logo]()
$1,110
This Delta deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/182:43 pm
SFO
- AEP
2 stops21h 17m
Delta
Wed 6/37:20 pm
AEP
- SFO
2 stops19h 33m
Delta
Deal found 3/21![Delta logo]()
$1,144
This United Airlines deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/165:00 am
SFO
- EZE
1 stop23h 00m
United Airlines
Tue 6/239:00 pm
EZE
- SFO
1 stop31h 15m
United Airlines
Deal found 3/19![United Airlines logo]()
$1,161
This Expedia deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/218:10 am
SFO
- EZE
3 stops50h 20m
Multiple Airlines
Tue 4/284:50 pm
EZE
- SFO
2 stops33h 45m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$1,156
This United Airlines deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/255:00 am
SFO
- EZE
1 stop23h 00m
United Airlines
Tue 7/79:00 pm
EZE
- SFO
1 stop31h 15m
United Airlines
Deal found 3/19![United Airlines logo]()
$1,161
This United Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/154:40 pm
SFO
- EZE
1 stop35h 20m
United Airlines
Wed 7/299:00 pm
EZE
- SFO
1 stop16h 25m
United Airlines
Deal found 3/18![United Airlines logo]()
$1,161
This United Airlines deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:55 am
SFO
- EZE
1 stop19h 05m
United Airlines
Mon 9/149:00 pm
EZE
- SFO
1 stop17h 42m
United Airlines
Deal found 3/20![United Airlines logo]()
$1,167
This United Airlines deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/242:28 pm
SFO
- EZE
1 stop37h 32m
United Airlines
Sun 7/129:00 pm
EZE
- SFO
1 stop31h 15m
United Airlines
Deal found 3/22![United Airlines logo]()
$1,175
Last-minute flights from San Francisco to Buenos AiresDiscover last-minute flight deals from San Francisco to Buenos Aires. Data last updated March 22, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Buenos Aires. Data last updated March 22, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/72:30 am
SFO
- AEP
3 stops26h 00m
Multiple Airlines
Fri 4/1711:30 pm
AEP
- SFO
3 stops27h 05m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$1,022
This Gotogate deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/82:15 pm
SFO
- EZE
2 stops21h 25m
Avianca
Fri 4/174:50 pm
EZE
- SFO
2 stops33h 45m
Avianca
Deal found 3/18![Avianca logo]()
$1,022
This Mytrip deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/911:55 pm
SFO
- EZE
3 stops29h 21m
Multiple Airlines
Mon 4/204:50 pm
EZE
- SFO
2 stops24h 00m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$1,017
This Gotogate deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/92:15 pm
SFO
- EZE
2 stops21h 25m
Avianca
Fri 4/174:50 pm
EZE
- SFO
2 stops33h 45m
Avianca
Deal found 3/18![Avianca logo]()
$1,021
This Mytrip deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/911:55 pm
SFO
- AEP
3 stops24h 25m
Multiple Airlines
Fri 4/1711:30 pm
AEP
- SFO
3 stops27h 05m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$1,034
This Mytrip deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/132:15 pm
SFO
- AEP
2 stops21h 45m
Multiple Airlines
Tue 4/288:05 pm
AEP
- SFO
2 stops31h 35m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$1,018
This Mytrip deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/162:15 pm
SFO
- AEP
2 stops24h 15m
Multiple Airlines
Thu 4/2310:30 pm
AEP
- SFO
3 stops28h 05m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$1,004
This Mytrip deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1911:55 pm
SFO
- EZE
3 stops26h 25m
Multiple Airlines
Sun 4/2612:15 pm
EZE
- SFO
3 stops28h 35m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$1,036
This Mytrip deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/212:15 pm
SFO
- EZE
3 stops32h 30m
Multiple Airlines
Tue 4/2812:15 pm
EZE
- SFO
3 stops28h 35m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$1,023
This Mytrip deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:55 pm
SFO
- AEP
3 stops31h 25m
Multiple Airlines
Thu 5/145:45 am
AEP
- SFO
3 stops35h 05m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$975
This Mytrip deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:55 pm
SFO
- EZE
3 stops29h 21m
Multiple Airlines
Thu 5/1412:15 pm
EZE
- SFO
3 stops28h 35m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$1,005
This Mytrip deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:55 pm
SFO
- EZE
3 stops29h 21m
Multiple Airlines
Mon 5/117:10 am
EZE
- SFO
2 stops19h 25m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$1,037
One-way flights from San Francisco to Buenos AiresSearch for one-way flight options from San Francisco to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated March 22, 2026.
Search for one-way flight options from San Francisco to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated March 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1611:56 am
SFO
- AEP
3 stops40h 34m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$375
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1711:16 pm
SFO
- AEP
3 stops53h 14m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$400
This Trip.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/132:15 pm
SFO
- AEP
2 stops33h 50m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$412
This Kiwi.com deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/182:30 am
SFO
- EZE
3 stops44h 15m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$428
This Kiwi.com deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/52:15 pm
SFO
- EZE
2 stops32h 30m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$431
This Kiwi.com deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/610:03 pm
SFO
- AEP
3 stops30h 27m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$433
This Kiwi.com deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:29 pm
SFO
- EZE
3 stops25h 56m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$437
This Kiwi.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/122:30 am
SFO
- EZE
3 stops44h 15m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$440
This Kiwi.com deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/911:52 pm
SFO
- EZE
3 stops26h 53m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$444
This Kiwi.com deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/192:30 am
SFO
- EZE
3 stops44h 15m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$447
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/19:00 pm
SFO
- EZE
3 stops30h 55m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$460
This Kiwi.com deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1711:56 am
SFO
- EZE
3 stops54h 29m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$466
Find flight deals from San Francisco to Buenos Aires
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Buenos Aires (BUE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $966 (Mytrip) |
One-way from | $375 (Kiwi.com) |
Popular in | December |
Cheapest in | May |
Average price | $1,079 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco to Buenos Aires that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 22, 2026.
Use the filters below to find and compare flights from San Francisco to Buenos Aires that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San FranciscoBuenos Aires
SFO - AEP
SFOAEP
San Francisco
Mon 5/25
11:55 pm-4:20 am
3 stops24h 25m
Buenos Aires Jorge Newbery
Sun 5/31
7:00 am-10:35 pm
2 stops19h 35m
$979
San FranciscoBuenos Aires
SFO - AEP
SFOAEP
San Francisco
Sat 5/30
2:30 am-8:30 am
3 stops26h 00m
Buenos Aires Jorge Newbery
Sat 6/6
7:00 am-10:35 pm
2 stops19h 35m
$987
San FranciscoBuenos Aires
SFO - AEP
SFOAEP
San Francisco
Tue 4/21
11:55 pm-4:20 am
3 stops24h 25m
Buenos Aires Jorge Newbery
Wed 5/6
7:00 am-10:35 pm
2 stops19h 35m
$1,059
San FranciscoBuenos Aires
SFO - EZE
SFOEZE
San Francisco
Tue 4/21
2:15 pm-3:40 pm
2 stops21h 25m
Buenos Aires Ministro Pistarini
Tue 4/28
4:50 pm-10:35 pm
2 stops33h 45m
$1,064
San FranciscoBuenos Aires
SFO - AEP
SFOAEP
San Francisco
Mon 6/1
7:45 am-4:00 pm
3 stops28h 15m
Buenos Aires Jorge Newbery
Sat 6/13
10:30 pm-10:35 pm
3 stops28h 05m
$1,079
San FranciscoBuenos Aires
SFO - AEP
SFOAEP
San Francisco
Sat 5/16
2:30 am-5:40 am
2 stops23h 10m
Buenos Aires Jorge Newbery
Thu 5/28
7:00 am-11:55 pm
2 stops20h 55m
$1,110
San FranciscoBuenos Aires
SFO - AEP
SFOAEP
San Francisco
Mon 4/20
2:15 pm-5:40 am
2 stops35h 25m
Buenos Aires Jorge Newbery
Mon 4/27
7:00 am-12:50 pm
2 stops33h 50m
$1,110
San FranciscoBuenos Aires
SFO - AEP
SFOAEP
San Francisco
Tue 4/21
11:55 pm-5:40 am
2 stops25h 45m
Buenos Aires Jorge Newbery
Wed 5/6
7:00 am-10:35 pm
2 stops19h 35m
$1,110
San FranciscoBuenos Aires
SFO - AEP
SFOAEP
San Francisco
Mon 5/18
6:20 pm-4:00 pm
2 stops17h 40m
Buenos Aires Jorge Newbery
Tue 6/2
3:45 pm-10:53 am
2 stops23h 08m
$1,144
San FranciscoBuenos Aires
SFO - AEP
SFOAEP
San Francisco
Mon 5/18
6:20 pm-4:00 pm
2 stops17h 40m
Buenos Aires Jorge Newbery
Mon 6/1
3:45 pm-10:10 am
2 stops22h 25m
$1,144
Showing 1-10 of 44 resultsSorted by cheapest first
Compare providers for flights from San Francisco to Buenos Aires
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Buenos Aires in March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Francisco-Buenos Aires flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Buenos Aires flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Buenos Aires flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-Buenos Aires flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Buenos Aires flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from San Francisco to Buenos Aires
Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from San Francisco with our price prediction graph.
SFO-BUE
SFO-AEP
SFO-EZE
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Francisco to Buenos Aires
SFO-BUE
SFO-AEP
SFO-EZE
How far ahead should I book a flight from San Francisco to Buenos Aires?
Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Buenos Aires. Price data was last updated on March 13, 2026.
Booking 6 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to Buenos Aires. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from San Francisco to Buenos Aires?
Currently, April is the cheapest month in which you can book a flight from San Francisco to Buenos Aires (average of $556). Flying from San Francisco to Buenos Aires in July is currently the most expensive (average of $1,032). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from San Francisco to Buenos Aires?
Reviews of airlines servicing Buenos Aires
Get insights into the airlines that provide service to Buenos Aires. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Buenos Aires. Reviews last updated March 22, 2026.
Get a feel of what it's like to fly with Delta,Copa Airlines, andLATAM Airlines from San Francisco to Buenos Aires by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.8
Crew
8.5
Comfort
7.9
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Entertainment
7.8
Crew
8.5
Comfort
7.9
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Entertainment
7.8
Crew
8.5
Comfort
7.9
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Entertainment
7.8
Crew
8.5
Comfort
7.9
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Entertainment
7.8
Crew
8.5
Comfort
7.9
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Entertainment
7.8
Crew
8.5
Comfort
7.9
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Buenos Aires flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from San Francisco
Popular flights
Alternative routes for San Francisco to Buenos Aires
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Buenos Aires
Explore flights to Buenos Aires departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 22, 2026.
Complete your trip
Complete your trip to Buenos Aires by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Francisco to Buenos Aires by cabin class
Find flights from San Francisco to Buenos Aires, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Francisco and Buenos Aires flights
Browse other San Francisco and Buenos Aires flight options. Last updated on March 22, 2026.
Other flights from San Francisco
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on March 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 7 airlines flying from San Francisco to Buenos Aires
Discover the top 7 airlines that operate flights from San Francisco to Buenos Aires. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$654 | Average$889 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$875 | Average$1,246 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$893 | Average$1,173 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$907 | Average$1,129 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$969 | Average$1,263 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,039 | Average$1,299 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,119 | Average$1,281 | FlexibilityNo cancel fee | On-timeN/A |